A4635 — Underarm pad, crutch, replacement, each
HCPCS Level II A-code · short descriptor: “Underarm crutch pad”
- Code system
- HCPCS Level II
- Family
- A — Medical & surgical supplies, ambulance
- Medicare coverage status
- Special coverage instructions apply
- DMEPOS payment category
- Inexpensive or routinely purchased
- Prior authorization
- Not on Medicare required-PA list
- Status
- Active (April 2026 HCPCS)
Prior authorization
Not on the Medicare required-PA list as of the January 13, 2026 update (74 items). Medicare Advantage and commercial plans set their own prior-authorization rules for this code — verify per plan before delivery.
A4635 Medicare fee schedule (April 2026)
NU — New purchase Inexpensive or routinely purchased
Medicare allowable ranges from $6.19 to $15.36 depending on state and rural status.
Former-CBA payment limits: ceiling $7.28 · floor $6.19
| State | Non-rural | Rural |
|---|---|---|
| AK | $14.36 | — |
| AL | $6.19 | — |
| AR | $6.19 | — |
| AZ | $6.19 | — |
| CA | $7.28 | — |
| CO | $7.28 | — |
| CT | $6.19 | — |
| DC | $6.19 | — |
| DE | $6.19 | — |
| FL | $6.19 | — |
| GA | $6.19 | — |
| HI | $15.36 | — |
| IA | $7.28 | — |
| ID | $6.19 | — |
| IL | $6.19 | — |
| IN | $7.28 | — |
| KS | $6.19 | — |
| KY | $7.28 | — |
| LA | $6.19 | — |
| MA | $7.28 | — |
| MD | $7.28 | — |
| ME | $7.28 | — |
| MI | $6.19 | — |
| MN | $6.19 | — |
| MO | $7.28 | — |
| MS | $7.28 | — |
| MT | $7.28 | — |
| NC | $6.19 | — |
| ND | $7.28 | — |
| NE | $6.45 | — |
| NH | $7.28 | — |
| NJ | $7.28 | — |
| NM | $6.19 | — |
| NV | $6.19 | — |
| NY | $7.28 | — |
| OH | $6.26 | — |
| OK | $7.28 | — |
| OR | $7.28 | — |
| PA | $6.19 | — |
| PR | $7.89 | — |
| RI | $7.28 | — |
| SC | $6.19 | — |
| SD | $7.28 | — |
| TN | $6.19 | — |
| TX | $6.19 | — |
| UT | $7.28 | — |
| VA | $7.28 | — |
| VI | $7.28 | — |
| VT | $6.19 | — |
| WA | $7.28 | — |
| WI | $7.28 | — |
| WV | $7.28 | — |
| WY | $7.28 | — |
RR — Monthly rental Inexpensive or routinely purchased
Medicare allowable ranges from $0.84 to $1.48 depending on state and rural status.
Former-CBA payment limits: ceiling $0.99 · floor $0.84
| State | Non-rural | Rural |
|---|---|---|
| AK | $1.35 | — |
| AL | $0.91 | — |
| AR | $0.94 | — |
| AZ | $0.99 | — |
| CA | $0.99 | — |
| CO | $0.99 | — |
| CT | $0.84 | — |
| DC | $0.99 | — |
| DE | $0.84 | — |
| FL | $0.84 | — |
| GA | $0.84 | — |
| HI | $1.48 | — |
| IA | $0.99 | — |
| ID | $0.99 | — |
| IL | $0.94 | — |
| IN | $0.84 | — |
| KS | $0.92 | — |
| KY | $0.99 | — |
| LA | $0.95 | — |
| MA | $0.99 | — |
| MD | $0.99 | — |
| ME | $0.99 | — |
| MI | $0.84 | — |
| MN | $0.84 | — |
| MO | $0.99 | — |
| MS | $0.99 | — |
| MT | $0.99 | — |
| NC | $0.84 | — |
| ND | $0.99 | — |
| NE | $0.99 | — |
| NH | $0.99 | — |
| NJ | $0.99 | — |
| NM | $0.95 | — |
| NV | $0.99 | — |
| NY | $0.92 | — |
| OH | $0.84 | — |
| OK | $0.99 | — |
| OR | $0.99 | — |
| PA | $0.84 | — |
| PR | $1.02 | — |
| RI | $0.99 | — |
| SC | $0.84 | — |
| SD | $0.99 | — |
| TN | $0.90 | — |
| TX | $0.94 | — |
| UT | $0.96 | — |
| VA | $0.99 | — |
| VI | $0.92 | — |
| VT | $0.84 | — |
| WA | $0.96 | — |
| WI | $0.99 | — |
| WV | $0.90 | — |
| WY | $0.99 | — |
UE — Used purchase Inexpensive or routinely purchased
Medicare allowable ranges from $4.13 to $11.51 depending on state and rural status.
Former-CBA payment limits: ceiling $4.86 · floor $4.13
| State | Non-rural | Rural |
|---|---|---|
| AK | $10.75 | — |
| AL | $4.13 | — |
| AR | $4.13 | — |
| AZ | $4.13 | — |
| CA | $4.86 | — |
| CO | $4.86 | — |
| CT | $4.13 | — |
| DC | $4.13 | — |
| DE | $4.13 | — |
| FL | $4.13 | — |
| GA | $4.13 | — |
| HI | $11.51 | — |
| IA | $4.86 | — |
| ID | $4.15 | — |
| IL | $4.13 | — |
| IN | $4.86 | — |
| KS | $4.51 | — |
| KY | $4.86 | — |
| LA | $4.13 | — |
| MA | $4.86 | — |
| MD | $4.86 | — |
| ME | $4.86 | — |
| MI | $4.13 | — |
| MN | $4.28 | — |
| MO | $4.86 | — |
| MS | $4.86 | — |
| MT | $4.86 | — |
| NC | $4.13 | — |
| ND | $4.86 | — |
| NE | $4.86 | — |
| NH | $4.86 | — |
| NJ | $4.86 | — |
| NM | $4.13 | — |
| NV | $4.13 | — |
| NY | $4.85 | — |
| OH | $4.72 | — |
| OK | $4.86 | — |
| OR | $4.86 | — |
| PA | $4.13 | — |
| PR | $5.97 | — |
| RI | $4.86 | — |
| SC | $4.13 | — |
| SD | $4.86 | — |
| TN | $4.13 | — |
| TX | $4.13 | — |
| UT | $4.86 | — |
| VA | $4.86 | — |
| VI | $4.85 | — |
| VT | $4.13 | — |
| WA | $4.86 | — |
| WI | $4.86 | — |
| WV | $4.86 | — |
| WY | $4.86 | — |
Common denial codes to watch
Related A-codes
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